만약 여러분은Juniper JN0-364인증시험취득으로 이 치열한 IT업계경쟁 속에서 자기만의 자리를 잡고, 스펙을 쌓고, 전문적인 지식을 높이고 싶으십니까? 하지만Juniper JN0-364패스는 쉬운 일은 아닙니다.Juniper JN0-364패스는 여러분이 IT업계에 한발작 더 가까워졌다는 뜻이죠. 하지만 이렇게 중요한 시험이라고 많은 시간과 정력을 낭비할필요는 없습니다. DumpTOP의 완벽한 자료만으로도 가능합니다. DumpTOP의 덤프들은 모두 전문적으로 IT관련인증시험에 대하여 연구하여 만들어진것이기 때문입니다.
| Section | Objectives |
|---|---|
| Topic 1: Border Gateway Protocol (BGP) | - Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
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| Topic 2: IPv6 | - Demonstrate knowledge of how to configure, monitor, or troubleshoot IPv6 - Identify the concepts, operation, or functionality of IPv6
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| Topic 3: Multiprotocol Label Switching (MPLS) | - Identify the concepts, operation, or functionality of MPLS CoS processing on Junos devices
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| Topic 4: Intermediate System to Intermediate System (IS-IS) | - Identify the concepts, operation, or functionality of IS-IS
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| Topic 5: Open Shortest Path First (OSPF) | - Demonstrate knowledge of how to configure, monitor, or troubleshoot OSPF
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| Topic 6: Spanning Tree Protocols | - Demonstrate knowledge of how to configure, monitor, or troubleshoot Spanning Tree Protocols
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| Topic 7: Layer 2 Bridging or VLANs | - Identify the concepts, benefits, or functionality of VLANs
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| Topic 8: Protocol-Independent Routing | - Identify the concepts, operation, or functionality of various protocol-independent routing components
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우리 DumpTOP에서는 최고이자 최신의Juniper 인증JN0-364덤프자료를 제공 함으로 여러분을 도와Juniper 인증JN0-364인증자격증을 쉽게 취득할 수 있게 해드립니다.만약 아직도Juniper 인증JN0-364시험패스를 위하여 고군분투하고 있다면 바로 우리 DumpTOP를 선택함으로 여러분의 고민을 날려버릴수 있습니다.
질문 # 84
Click the Exhibit button. The routers shown in the exhibit are configured for segment routing. In this scenario, what is the adjacency SID that Router B advertises to Router A?
정답：B
설명：
The diagram you provided shows two routers, Router A and Router B, with MPLS labels between them. In the context of segment routing with MPLS, each router advertises a set of SIDs (Segment Identifiers). These SIDs can be node SIDs, which are associated with the router itself, or adjacency SIDs, which are associated with the links between routers.
Given the information from the exhibit:
Router A has a Router ID of 10.1.1.1 and is associated with the MPLS label 11. Router B has a Router ID of 10.1.1.2 and is associated with the MPLS label 12. The adjacency SID in segment routing is used to identify a specific adjacency between two routers. In this case, the question is asking for the adjacency SID that Router B advertises to Router A. This would be the label that Router B tells Router A to use to send packets directly to Router B over their shared adjacency.
So, the adjacency SID that Router B advertises would be associated with the link that Router A would use to send traffic to Router B, which is labeled with the number 12 in the exhibit.
질문 # 85
You are asked to configure interfaces on Juniper devices to support dual VLAN tags. In this scenario, which two interface statements would accomplish this task? (Choose two.)
정답：A,C
설명：
To supportdual VLAN tagging(often referred to as Q-in-Q or 802.1ad), a Juniper interface must be configured to process more than one 802.1Q header. In Junos OS, this is handled at the physical interface level ([edit interfaces <interface-name>]).
According to Juniper Service Provider documents, two primary configuration statements enable this capability:
* stacked-vlan-tagging (Option D):This is the traditional command used to enable an interface to accept frames with two VLAN tags. When this is enabled, the router expects an outer "service" tag and an inner "customer" tag. This is specifically used in provider edge scenarios where a service provider is tunneling multiple customer VLANs.
* flexible-vlan-tagging (Option A):This is a more modern and versatile command. It allows the interface to support a mix of different encapsulation types across different logical units. For example, with flexible-vlan-tagging, you can have one logical unit (unit 10) doing standard single-tagging and another logical unit (unit 20) doing dual-tagging (vlan-tags outer X inner Y). This is the preferred method on newer hardware (like the MX Series) because it provides the highest level of configuration flexibility.
Vlan-tagging (Option C)only enables the interface to support a single 802.1Q tag, andgigether-options (Option B)contains physical-layer settings like auto-negotiation or flow control, which do not influence VLAN encapsulation. Therefore, A and D are the correct mechanisms for enabling dual-tag support.
질문 # 86
Which two events cause a static route to be removed from a routing table? (Choose two.)
정답：B,C
설명：
In Junos OS, astatic routeis a manually configured entry in the routing table. Unlike dynamic routes, which have built-in timers and aging mechanisms, static routes are generally "permanent" as long as their conditions for validity are met.
1. Manual Removal (Option A):
Since static routes are explicitly defined by the administrator, the most direct way to remove one is through a configuration change. Using the delete routing-options static route <prefix> command followed by a commit will immediately remove the route from the Routing Information Base (RIB).
2. Next-Hop Reachability (Option B):
For a static route to be "active" and installed in the forwarding table, itsnext-hop must be reachable. If a static route points to a specific physical interface or an IP address on a local segment, and thatoutbound interface becomes unavailable(e.g., the link goes "Down"), the Junos kernel detects that the next-hop is no longer viable. Consequently, the route is marked as "hidden" or "inactive" and is removed from the active forwarding table to prevent traffic from being black-holed.
Why other options are incorrect:
* Aging (Option C):Static routes do not have an expiration timer based on traffic. Even if no packet is sent for years, the route remains as long as the interface is up.
* Remote Reachability (Option D):Standard static routes only track the status of the local interface or the immediate next-hop. They do not possess "end-to-end" visibility. If a host two hops away fails, the local router has no way of knowing this via the static route itself. To achieve this level of tracking, features likeRPM (Real-time Performance Monitoring)orBFD (Bidirectional Forwarding Detection)must be linked to the static route.
질문 # 87
How are routing loops prevented in external BGP networks?
정답：B
설명：
BGP is apath-vector protocol, and its primary mechanism for ensuring a loop-free topology across the global internet is theAS_PATHattribute. This attribute is a "well-known mandatory" attribute that records every Autonomous System (AS) a prefix has passed through.
According to Juniper Networks Service Provider documentation, the loop prevention rule forExternal BGP (EBGP)is straightforward: when a router receives a BGP Update from an EBGP peer, it examines the AS_PATH list. If the router's ownlocal AS numberis already present in the list, it indicates that the advertisement has already traversed the local AS and has returned. To prevent a routing loop, the routerwill not use the routeand will implicitly discard the update (Option D).
This behavior is a default, hard-coded function of the BGP protocol and does not require the administrator to write manualrouting policies(Options B and C) to achieve basic loop prevention. While there are advanced features like as-path-expand or allow-as-in that can modify this behavior for specific design requirements (such as in certain Hub-and-Spoke MPLS VPN topologies), the standard operational default is to reject any route where the local AS is detected in the path. This ensures that traffic does not circulate infinitely between Autonomous Systems.
질문 # 88
By default, which MPLS operation is performed by the penultimate router in an LSP on the transport label?
정답：B
설명：
By default, MPLS uses Penultimate Hop Popping (PHP). The penultimate router removes the transport label before forwarding the packet to the egress router. This pop operation allows the egress router to receive the packet without the outer MPLS label and process it more efficiently.
질문 # 89
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